Goodwill and Other Intangible Assets, net (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill, net by segment follows:

(in millions)	CCM		CIT		CFT		CBF(1)		Total
Balance as of December 31, 2019	$	597.1	$	835.2	$	187.5	$	96.5	$	1,716.3
Goodwill acquired during year(2)	1.5		—		—		—		1.5
Measurement period adjustments(3)	—		(5.2)		—		—		(5.2)
Currency translation and other	(1.2)		(2.8)		(1.9)		(0.1)		(6.0)
Balance as of March 31, 2020	$	597.4	$	827.2	$	185.6	$	96.4	$	1,706.6

⁽¹⁾CBF goodwill, net is presented net of accumulated impairment losses of $130.0 million recorded in 2016. No other segments have incurred impairment losses.

⁽²⁾The Company acquired one business for an aggregate purchase price of $3.2 million during the first three months of 2020.

⁽³⁾Refer to Note 4 for further information on goodwill resulting from recent acquisitions.

Summary of other intangible assets, net

A summary of the Company's other intangible assets, net follows:

	March 31, 2020						December 31, 2019
(in millions)	Acquired Cost		Accumulated Amortization		Net Book Value		Acquired Cost		Accumulated Amortization		Net Book Value
Assets subject to amortization:
Customer relationships	$	1,047.7	$	(372.9)	$	674.8	$	1,054.4	$	(354.9)	$	699.5
Technology and intellectual property	303.7		(176.0)		127.7		304.1		(167.0)		137.1
Trade names and other	103.5		(41.7)		61.8		100.0		(38.7)		61.3
Assets not subject to amortization:
Trade names	242.2		—		242.2		242.7		—		242.7
Other intangible assets, net	$	1,697.1	$	(590.6)	$	1,106.5	$	1,701.2	$	(560.6)	$	1,140.6

Summary of the net book values of other intangible assets, net by reportable segment

The net book values of other intangible assets, net by reportable segment follows:

(in millions)	March 31, 2020		December 31, 2019
Carlisle Construction Materials	$	333.1	$	345.3
Carlisle Interconnect Technologies	425.4		441.0
Carlisle Fluid Technologies	265.8		272.8
Carlisle Brake & Friction	78.6		80.2
Corporate	3.6		1.3
Total	$	1,106.5	$	1,140.6